diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/TypeScriptAngularClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/TypeScriptAngularClientCodegen.java
index 0c83302f7c4..a00b28395f6 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/TypeScriptAngularClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/TypeScriptAngularClientCodegen.java
@@ -293,7 +293,7 @@ public class TypeScriptAngularClientCodegen extends AbstractTypeScriptClientCode
 
         // Set the typescript version compatible to the Angular version
         if (ngVersion.atLeast("12.0.0")) {
-            additionalProperties.put("tsVersion", ">=4.2.3 <4.3.0");
+            additionalProperties.put("tsVersion", ">=4.3.0 <4.4.0");
         } else if (ngVersion.atLeast("11.0.0")) {
             additionalProperties.put("tsVersion", ">=4.0.0 <4.1.0");
         } else if (ngVersion.atLeast("10.0.0")) {
diff --git a/samples/client/petstore/typescript-angular-v12-provided-in-root/builds/with-npm/package.json b/samples/client/petstore/typescript-angular-v12-provided-in-root/builds/with-npm/package.json
index 8c565707886..69a4fcbf2b3 100644
--- a/samples/client/petstore/typescript-angular-v12-provided-in-root/builds/with-npm/package.json
+++ b/samples/client/petstore/typescript-angular-v12-provided-in-root/builds/with-npm/package.json
@@ -25,7 +25,7 @@
     "reflect-metadata": "^0.1.3",
     "rxjs": "^6.6.0",
     "tsickle": "^0.43.0",
-    "typescript": ">=4.2.3 <4.3.0",
+    "typescript": ">=4.3.0 <4.4.0",
     "zone.js": "^0.11.4"
   },
   "publishConfig": {